CWE-546 Variante Brouillon

Suspicious Comment

This weakness occurs when code contains comments that flag potential issues, such as bugs, security gaps, or unfinished work, which can expose underlying problems or oversights.

Définition

What is CWE-546?

This weakness occurs when code contains comments that flag potential issues, such as bugs, security gaps, or unfinished work, which can expose underlying problems or oversights.
Comments like BUG, HACK, FIXME, TODO, or LITERAL are more than just notes; they act as red flags for developers and security reviewers. They often point directly to areas where security controls, input validation, or proper error handling are missing or incomplete, leaving the code vulnerable. While these comments are sometimes used during development, they become a risk if left in production code, as they can guide attackers to weak spots. Beyond security, these markers can indicate broader code quality issues, such as hard-coded credentials, performance bottlenecks, or the use of insecure methods like dynamic SQL instead of prepared statements. For a developer, systematically reviewing and addressing these comments is a critical step in hardening an application before release, as they serve as an internal map of potential weaknesses that need resolution.
Impact réel

Real-world CVEs caused by CWE-546

Aucune référence CVE publique n'est liée à ce CWE dans le catalogue MITRE pour le moment.

Comment les attaquants l'exploitent

Parcours de l'attaquant étape par étape

  1. 1

    Identifier un chemin de code qui traite des entrées non fiables sans validation.

  2. 2

    Élaborer une charge utile qui exploite le comportement non sécurisé — injection, traversal, débordement ou abus de logique.

  3. 3

    Délivrer la charge utile via une requête normale et observer la réaction de l'application.

  4. 4

    Itérer jusqu'à ce que la réponse divulgue des données, exécute le code de l'attaquant ou élève les privilèges.

Exemple de code vulnérable

Vulnerable Java

The following excerpt demonstrates the use of a suspicious comment in an incomplete code block that may have security repercussions.

Vulnérable Java
if (user == null) {
```
// TODO: Handle null user condition.* 
  		}
Exemple de code sécurisé

Secure pseudo

Sécurisé pseudo
// Validate, sanitize, or use a safe API before reaching the sink.
function handleRequest(input) {
  const safe = validateAndEscape(input);
  return executeWithGuards(safe);
}
What changed: the unsafe sink is replaced (or the input is validated/escaped) so the same payload no longer triggers the weakness.
Liste de contrôle de prévention

How to prevent CWE-546

  • Documentation Remove comments that suggest the presence of bugs, incomplete functionality, or weaknesses, before deploying the application.
Signaux de détection

How to detect CWE-546

SAST High

Exécuter une analyse statique (SAST) sur le code source à la recherche du motif non sécurisé dans le flux de données.

DAST Moderate

Exécuter des tests de sécurité applicative dynamique (DAST) contre le point de terminaison en ligne.

Runtime Moderate

Surveiller les journaux runtime pour détecter des traces d'exception inhabituelles, des entrées malformées ou des tentatives de contournement d'autorisation.

Code review Moderate

Revue de code : signaler tout nouveau code qui traite les entrées de cette surface sans utiliser les helpers du framework validés.

CWE-546

Don't catalog this weakness. Prove it's reachable.

Plexicus turns CWE catalogs into evidence: every CWE-pattern is matched against your real code graph, reach is proven on a sandbox clone, and verified findings ship as reviewed PRs.

Questions fréquentes

Frequently asked questions

Qu'est-ce que CWE-546 ?

This weakness occurs when code contains comments that flag potential issues, such as bugs, security gaps, or unfinished work, which can expose underlying problems or oversights.

Quelle est la gravité de CWE-546 ?

MITRE n'a pas publié de note de probabilité d'exploitation pour cette faiblesse. Traitez-la comme un impact moyen jusqu'à ce que votre modèle de menace prouve le contraire.

Quels langages ou plateformes sont affectés par CWE-546 ?

MITRE n'a pas spécifié les plateformes affectées pour ce CWE — il peut s'appliquer à la plupart des stacks applicatives.

Comment puis-je prévenir CWE-546 ?

Remove comments that suggest the presence of bugs, incomplete functionality, or weaknesses, before deploying the application.

Comment Plexicus détecte et corrige CWE-546 ?

Le moteur SAST de Plexicus reconnaît la signature de flux de données de CWE-546 à chaque commit. Lorsqu'une correspondance est trouvée, notre agent Codex Remedium ouvre une PR de correction avec le code corrigé, les tests et un résumé d'une ligne pour le relecteur.

Où puis-je en savoir plus sur CWE-546 ?

MITRE publie la définition canonique à https://cwe.mitre.org/data/definitions/546.html. Vous pouvez également consulter la documentation OWASP et NIST pour des conseils adjacents.

Faiblesses associées

Weaknesses related to CWE-546

CWE-1078 Parent

Inappropriate Source Code Style or Formatting

This weakness occurs when source code violates established style guidelines for formatting, indentation, whitespace, or commenting, making…

CWE-1085 Frère

Invokable Control Element with Excessive Volume of Commented-out Code

This weakness occurs when a callable function, method, or procedure contains a large amount of inactive, commented-out code within its…

CWE-1099 Frère

Inconsistent Naming Conventions for Identifiers

This weakness occurs when a codebase uses mixed naming styles for elements like variables, functions, data types, or files, creating an…

CWE-1106 Frère

Insufficient Use of Symbolic Constants

This weakness occurs when developers embed raw numbers or text strings directly in code instead of using named symbolic constants, making…

CWE-1107 Frère

Insufficient Isolation of Symbolic Constant Definitions

This weakness occurs when a codebase uses symbolic constants (like named values for numbers or strings) but scatters their definitions…

CWE-1109 Frère

Use of Same Variable for Multiple Purposes

This weakness occurs when a single variable is reused to handle multiple, unrelated tasks or to store different pieces of data throughout…

CWE-1113 Frère

Inappropriate Comment Style

This weakness occurs when source code comments are written in a style or format that doesn't match the project's established standards or…

CWE-1114 Frère

Inappropriate Whitespace Style

This weakness occurs when source code uses inconsistent or non-standard whitespace formatting, such as irregular indentation, spacing, or…

CWE-1115 Frère

Source Code Element without Standard Prologue

This weakness occurs when source code files or modules lack a consistent, standardized header or prologue that the development team has…

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SAMPLE HANDOVER · ILLUSTRATIVE

Sample evidence handover

A trimmed view of what your team receives at the end of an AI Swarm Pentest engagement. Real engagements include full technical evidence, executive narrative, and a remediation plan.

VALIDATED FINDING Evidence attached

Server-Side Request Forgery in webhooks/receiver

demo-project/sample-app · src/webhooks/receiver.py:42

SeverityHigh CVSS 3.18.6 Priority79 Confirmedvia replay

Untrusted caller-supplied URLs reach an internal egress without an allowlist. Replayed in a sandbox against a fresh authorized target — the same control was validated to fail twice.

REVIEWER-READY REMEDIATION Merge-ready PR

Validate the target URL against an allowlist of permitted hostnames. Reject private/internal IP ranges. Enforce HTTPS only.

plexicus/remediation/webhooks-ssrf 3 changed · 0 new files
42resp = requests.get(target_url)
42+if not is_allowed_host(target_url):
43+  raise WebhookRejected(target_url)
44+resp = requests.get(target_url, timeout=5)
Every engagement hands over:
  • Executive briefing
  • Validated findings list
  • Merge-ready PRs
  • Compliance mapping (NIS2 · DORA · CRA)
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